blob: d2d12082c6c0b93f7485d09a1eed606c1b7118cf [file] [log] [blame]
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <array>
#include "api/array_view.h"
#include "modules/audio_processing/aec3/aec3_common.h"
#include "modules/audio_processing/aec3/fft_data.h"
namespace webrtc {
// Stores the values being returned from the echo subtractor for a single
// capture channel.
struct SubtractorOutput {
std::array<float, kBlockSize> s_refined;
std::array<float, kBlockSize> s_coarse;
std::array<float, kBlockSize> e_refined;
std::array<float, kBlockSize> e_coarse;
FftData E_refined;
std::array<float, kFftLengthBy2Plus1> E2_refined;
std::array<float, kFftLengthBy2Plus1> E2_coarse;
float s2_refined = 0.f;
float s2_coarse = 0.f;
float e2_refined = 0.f;
float e2_coarse = 0.f;
float y2 = 0.f;
float s_refined_max_abs = 0.f;
float s_coarse_max_abs = 0.f;
// Reset the struct content.
void Reset();
// Updates the powers of the signals.
void ComputeMetrics(rtc::ArrayView<const float> y);
} // namespace webrtc